Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/23/2017
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 08/25/2017 10:39:34 68.72, 18.34 58.02 08/25/2017 10:40:45 68.64, 18.91 57.92 24.94 71
2 08/25/2017 11:30:10 -68.30,-173.80 122.40 08/25/2017 11:30:19 -68.31,-173.86 122.40 2.63 9
3 08/25/2017 12:20:54 68.19, -6.34 57.50 08/25/2017 12:19:46 68.20, -6.35 57.51 1.14 68
4 08/28/2017 02:56:25 68.38, 134.55 58.61 08/28/2017 02:57:19 68.40, 134.49 58.62 2.93 54
5 08/28/2017 03:47:06 -68.28, -58.01 121.48 08/28/2017 03:46:48 -68.29, -58.01 121.48 0.54 18
6 08/28/2017 04:37:36 67.41, 110.38 57.65 08/28/2017 04:36:28 67.45, 108.67 57.71 73.15 68
7 08/30/2017 19:13:21 68.37,-109.67 59.54 08/30/2017 19:13:48 68.38,-109.66 59.55 1.41 27
8 08/30/2017 20:04:02 -68.21, 57.85 120.60 08/30/2017 20:03:19 -68.22, 57.78 120.60 2.73 43
9 09/02/2017 10:39:38 -68.68,-161.62 119.19 09/02/2017 10:40:49 -68.59,-161.18 119.29 20.55 71
10 09/02/2017 11:30:17 68.30, 6.19 60.44 09/02/2017 11:30:19 68.31, 6.13 60.45 2.54 2
11 09/02/2017 12:20:59 -68.20, 173.63 119.65 09/02/2017 12:19:49 -68.20, 173.64 119.64 0.56 70
12 09/05/2017 02:56:30 -68.39, -45.48 118.49 09/05/2017 02:57:22 -68.40, -45.52 118.48 2.00 52
13 09/05/2017 03:47:14 68.28, 121.97 61.42 09/05/2017 03:46:49 68.29, 121.98 61.42 0.75 25
14 09/05/2017 04:37:41 -67.38, -69.59 119.49 09/05/2017 04:36:33 -67.40, -71.40 119.45 77.59 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/23/2017
SNOs_Map_NPP_TERRA_20170823.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/23/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service